thank you, erin. >>> this system is enormous. millions of americans are dealing with storm warnings, watches, or advisories. let's get to jennifer delgado, who is tracking the system for us. good morning. >> reporter: this is what is left of the big storm system that brought almost 18 inches of snowfall through parts of kansas and you can see the snow in the northern part, affecting parts of minnesota, chicago, and the south. dealing with rain, a wintry mix coming down through parts of west virginia and ohio. a lot of the wintry stuff will be coming to an end later on this morning when temperatures warm up, we're talking about locations like chicago, potentially getting 3.5 inches of snowfall. desperately needed. also in a drought and hoping for some snow. now, down toward the southern part of the u.s. a different story. rain and a lot of rain, i'm telling you, thundering all night long, and dealing with a lot of lightning in some parts. this is i big mess in the south. in some locations, anywhere between 4 and 6 inches of rainfa